This Schaller R3 Locking Nut is the same one that comes stock with their LockMeister Double Locking Floyd Rose Tremolo and can be used with almost all double locking tremolo equipped guitars with 43 mm wide nuts (the R3 is the most common size used with Floyd Rose tremolos, we also stock the R2 size as a separate product). Both top mounting screws and rear mounting threaded bolts are included.

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